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09658

Sigma-Aldrich

Chloro-N,N,N′,N′-tetramethylformamidinium hexafluorophosphate

≥98.0% (T)

Synonym(s):

TCFH

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About This Item

Empirical Formula (Hill Notation):
C5H12ClF6N2P
CAS Number:
Molecular Weight:
280.58
Beilstein:
7896715
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0% (T)

reaction suitability

reaction type: Coupling Reactions

mp

99-118 °C

application(s)

peptide synthesis

storage temp.

2-8°C

SMILES string

F[P-](F)(F)(F)(F)F.CN(C)\C(Cl)=[N+](\C)C

InChI

1S/C5H12ClN2.F6P/c1-7(2)5(6)8(3)4;1-7(2,3,4,5)6/h1-4H3;/q+1;-1

InChI key

CUKNPSDEURGZCO-UHFFFAOYSA-N

Application

Chloro-N,N,N′,N′-tetramethylformamidinium hexafluorophosphate can be used as a reactant for the synthesis of:
  • Onium salts for use in peptide coupling.
  • Benzotriazole based uranium reagent, a safer replacement for coupling reagents.

It can also be used as a reagent for the synthesis of:
  • Cancer cell cytotoxins.
  • Bioconjugation reagents.

Other Notes

Coupling reagent for peptide synthesis and starting material for preparing other coupling reagents

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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N, N, N′, N′-Tetramethylchloroformamidinium hexafluorophosphate (TCFH), a powerful coupling reagent for bioconjugation
Tulla-Puche J, et al.
Bioconjugate Chemistry, 19(10), 1968-1971 (2008)
J. Phillip Kennedy and Craig W. Lindsley
Tetrahedron Letters, 51, 2493-2496 (2010)
TCFH?NMI: Direct Access to N-Acyl Imidazoliums for Challenging Amide Bond Formations
Beutner, Gregory et. al.
Organic Letters, 20(14), 4218?4222-4218?4222 (2018)
J. Habermann et al.
J. Prakt. Chem./Chem.-Ztg., 340, 233-233 (1998)
Beyond Amide Bond Formation: TCFH as a Reagent for Esterification
Luis, Nathaniel et. al.
Organic Letters, 26(14) , 2745?2750-2745?2750 (2024)

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